<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <title>11.断点</title>
  </head>
  <body>
    <script type="text/javascript" >
      console.log(1)
      console.log(2)
      console.log(3)
      console.log(4)
      debugger; //断点
      console.log(5)
      console.log(6)
      console.log(7)
      debugger;//断点
      console.log(8)
    </script>
  </body>
</html>